Product Description The NT RAINBOW-S FILE 21MM Ass. 6% refers to a set of assorted NiTi rotary files used in dentistry, specifically for root canal treatments. These files are designed to be used at a recommended speed of 400 RPM with a torque of 2 Ncm, and they come in various lengths and sizes. Each file is marked with its taper value on the handle for easy identification. They are known for their efficiency in root canal shaping and are made from a high-quality nickel-titanium allo
